all the debates we had, only two people who didn't disagree on any subject were barack obama and joe biden. we got into the deal. we didn't have what other administrations have had, where the vice president and president have a different take on the major issues of the day. totally simpatico. it went from working with each other to a real friendship. >> we know have you disagreed with the president over policy and you know how to read him pretty well. so how can you tell when you have done something that he dent like or that makes him angry? >> oh, that's easy. that's easy. we made a deal early on. when either one of us were dissatisfied, we flat tell the other person. so lunch once a week, that's when we talk. and when he's not liked something i have done, he flat tells me. >> says, joe, you shouldn't have done that. >> joe, look, i don't agree with the way you did that. why did you do a, b, c, or d? he will say, look, man, i don't like the way this is going. so there is a complete openness. but we haven't disagreed. sometimes we disagree on tactic. how to proceed to try to get what